package com.xm.spring5.config;

import com.alibaba.druid.pool.DruidDataSource;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.sql.DataSource;

//@Configuration
//@ComponentScan(basePackages = "com.xm.spring5")
//@EnableTransactionManagement
public class TxConfig {

    //创建数据库连接池
    @Bean
    public DruidDataSource getDruidDataSource() {

        DruidDataSource dataSource = new DruidDataSource();
        dataSource.setDriverClassName("com.mysql.jdbc.Driver");
        dataSource.setUrl("jdbc:mysql://localhost:3306/user_db");
        dataSource.setUsername("root");
        dataSource.setPassword("root");

        return dataSource;
    }

    //JdbcTemplate
    @Bean
    public JdbcTemplate getJdbcTemplate(DataSource dataSource) {

        JdbcTemplate jdbcTemplate = new JdbcTemplate();
        jdbcTemplate.setDataSource(dataSource);

        return jdbcTemplate;
    }

    //创建事务管理器
    @Bean
    public DataSourceTransactionManager getDataSourceTransactionManager(DataSource dataSource) {

        DataSourceTransactionManager transactionManager = new DataSourceTransactionManager();
        transactionManager.setDataSource(dataSource);

        return transactionManager;
    }
}
